STMicroelectronics STEVAL-ISA102V2

Overview

STEVAL-ISA102V2 from STMicroelectronics is an 80 W transition-mode power factor correction (PFC) evaluation board based on the L6562A controller IC, designed for pre-conversion in AC/DC front-end stages of lighting drivers, consumer SMPS, and adapter applications. It operates across universal input (88–265 VAC), delivers regulated 400 V DC output with ≤10 V_pk-pk 2f_L ripple, and achieves ≥92% efficiency at 90 VAC full load.

For engineers reviewing the STEVAL-ISA102V2 datasheet, STEVAL-ISA102V2 schematic, STEVAL-ISA102V2 application notes, or STEVAL-ISA102V2 bill of materials, this board provides validated reference design data-including component selection, layout guidance, and performance validation-for TM-PFC implementation targeting RoHS-compliant, single-stage high-efficiency AC/DC conversion.

Technical Context

The STEVAL-ISA102V2 implements a boost-type transition-mode PFC topology using the L6562A current-mode controller, which senses zero-current crossing (ZCD) and regulates average inductor current to track sinusoidal line voltage. Its control loop maintains constant 400 V output under varying line and load conditions while meeting EN61000-3-2 Class C harmonic limits.

Designed for single-sided CEM-1 PCB (108 × 57 mm, 35 μm copper), the board integrates a custom E2543/E core boost inductor (0.7 mH primary, 102-turn primary winding), STF7N60M2 600 V MOSFET, STTH1L06 fast recovery diode, and precision sensing resistors (R10/R9 = 0.68 Ω) for current-mode feedback.

Key Specifications

Availability

STEVAL-ISA102V2 is available at Aetrix Electronics and suitable for LED driver development, consumer AC/DC adapter qualification, and industrial SMPS front-end validation requiring stable component supply and reference-grade PFC performance verification.

Supply support for STEVAL-ISA102V2 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, delivering microcontrollers, analog ICs, power devices, and silicon solutions for automotive, industrial, and consumer markets.

The STEVAL series comprises ST's official evaluation platforms-engineered to accelerate design-in of ST's analog, power, and interface ICs through fully tested, documented, and application-validated hardware.

FAQ

What is the primary function of the STEVAL-ISA102V2 evaluation board?

The STEVAL-ISA102V2 is a complete, tested transition-mode PFC evaluation platform implementing a boost converter controlled by the L6562A IC. Its purpose is to demonstrate and validate high-efficiency, low-harmonic AC/DC front-end designs for lighting, adapters, and consumer SMPS-providing measurable performance data, schematics, BOM, and layout files for engineering reuse.

Does the board include the L6562A controller and all necessary passive components?

Yes. The STEVAL-ISA102V2 integrates the L6562A PFC controller IC, STF7N60M2 MOSFET, STTH1L06 output diode, custom E2543/E boost inductor, input EMI filter, bulk capacitor (47 µF/450 V), and all supporting resistors, capacitors, and protection components-including NTC thermistor, fuse (F1), and Zener clamp (D2). No additional components are required for basic operation.

Can the STEVAL-ISA102V2 be used as a production-ready PFC module?

No. This is an evaluation board intended for design verification and prototyping-not certified for end-product use. It lacks safety agency approvals (UL/EN62368), conformal coating, enclosure, and production-level thermal management. Engineers must adapt its reference design into a fully compliant, validated system meeting regulatory, reliability, and environmental requirements.

Where can I find the schematic, layout files, and test reports for this board?

All documentation-including full schematic (PDF), PCB layout (Gerber), BOM (XLS), test report (PDF), and user manual-is publicly available on STMicroelectronics' official product page for STEVAL-ISA102V2 (document ID DocID029799 Rev 1, dated September 2016) and archived in ST's evaluation board resource library.